Apparatus for handling ore and the like



mg.; M, w23. www2 y C. E. DAVIS APPARATUS FOR HANDLING ORE AND THE LIKE -Aug M, H923. L464522 c. E. DAvngs i APPARATUS FOR HANDLING OREJND THE LIKE.

Filed April 13 v1921!. 3 Sheets-Sheet 2 EA64L522 'AVES APPARATUS FOR HANDLING ORE AND THE LIME V Aug. M, H923.

Fned April 13 1921 3 sheets-sheet s Patented ug. 1d,

CHARLES E. DAVIS,

COMPANY, OF CHICA treatin OF CHICAGO, ILLINOIS, LSSIGNGB TO GOODMAN MANUFACTURING GO, ILLINOIS,v is. `C0R??(TRATION V0F ILLINOIS.

APPARATUS FOR HANIDLING ORE AND-THE LIKE.

To all who/mit may Be it known-that citizen of the United cago, in the county Illinois,

have invented Handling @re and the like, following is a'specification.

applicati@ fued Aprii is, i921. semi No. 460,865.

concern.'

I, CrrARLns FLD/ivre, aY States, residing at Chi- Y of Cook and State of of which the This invention relates to improvements in apparatus for handling ore and the like and has for its principal object to provide a simple and durable conveying transporting loose material from one place to another as for instance In a prior application, ..1 ined May 20,1920,

ratus of the class ab ing a scraper-and a movablel to form a support about which said scraper` present application. lk utilize the same general principles of con-A struction and operation as therein described,

is guided. YIn the but provide certain construction of the guiding frame and the in a mine. Serial No. 382,696,

I have disclosed an appaove described comprisframe adapted improvements in the scraper used therewith, as will hereinafter more fully appear.

My invention may reference Vto the accompanying best be understood which Figure 1 is a top plan view of my '1m-1 proved apparatus in working position. Fig.

Figure 3 is a side view of Figure e is a vertical cross- 1 -4 of Figurel. Fig-` cross-section taken on line Figure 6 is a top plan ure 2 is a detail. the apparatus.

section taken on ure 5 is a vertical 5--5 of Figure 1.

line

view of the scraper.

of the scraper.

In the embodiment of Figure 7 is a side view my invention illustrated, the apparatus Vis 'adapted for use in mining operations in Ywhich loose material is to be transported from the working face,- or place from which the material is being mined, to a place where it may be loaded on mine cars or the like tus comprises a scr The loading appara- 1 adapted to be aper moved on t-he mine bottom by means of flexible draftcables ing' frame l adapted bottom in position to 2 and 3, and about a guidto be fixed on the mine form a bearing for one side of the scraper as the latter is advanced into the looseV material.

The frame 4 is held in place by means of a guiding device such as a pair-of mine jacks 5A and aof the usual type which dinally disposed slot The jacks 5 and 5fL are inserted in a longitu- 6 formed in the frame. are spaced -apart so'as an App aratus for apparatus for.

. as desired; The links 18, 13, may

drawings in advanced.

- jack i3, and operated by a ratchet wheel 8..

mounted on the forward'end'of the frame and at one side thereof. `Said ratchet wheel may be manually operated by a handle 9, and is connected withr a sprocket 10 about which the chain11 is trained. Said chain is preferably made up of two portions, the forward `portion 12 of which comprises roller-links V18,- 13 adapted to engage the teeth of the sprocket wheel V10, and thel rear.

portion ist of which comprises chain links 15, 15 of the ordinary type trained about a sheave 16 at the rear end of the frame 1 and from thence forwardly Vto a hook 1"(v which engages the forward j ack 5. By means of this arrangement, the entire frame is movable in a longitudinal direction along the mine bottom so as to advance the scraper 1 be readily disengaged from the sprocket 1() when it is desired to change the position of theframe with respect to the acks.

The frame d is provided'at its forward end with an arcuate shield or bearing member18, a central frame member 19 andan end-piece 20. Saidshield 18 is substantially semi-circular in shape and is preferably made of a single cast-ing. A laterally extendinglip 21 is provided yat the lower margin of the shieldl 18, and has its upper surface beveled downwardly to form a cutting edge for digging under loose material, thereby tending to keep the forward end of the frame onthe mine bottom as the frame is The upper endof the shield 18 above the central frame member 1,9 of the frame and is provided with a groo-ved portion 22 aro-und its upper end .for the purpose of catching the draft ropes when they may accidentally be thrown upwardly along the shield during the operation ofthe l device.- rl`he central frame member 19 of the frame comprises a plurality of longitudinally disposed beams 23, 23 and 24, 24. which form the longitudinal slot 6in which the jacks and 5a are inserted, and outerbeams 25, 25 and 26, 26.y Said beams are connected together by a plurality of suitable supports-27, 27. Theshield 18 preferably extends is detachably'connected tothe central frame' member l9by means of-bolts 23, 28. The

endpiece 20 at therrear end of the frame isv detachably connected to the frame member 19v by vertically disposedv bolts 29, .29 onv either side of the slot 6; Said end-piece is provided with an arcuate `bearing surface 30 on one sidev thereof Yabout which the scraper l may be moved when they lframe positioned at an angle to the normal path of movement VVV'of the scraper. A sheave 31V is 'mounted on the Vopposite side of said endpiece in 'position' to be engaged the" f draft rope'3 when the frame is positioned i 15v y i at ananglerto the path-of'movement of the scraper as indicated in dotted linesin Figure l. VThe Var'rangement is such that the 1 bearing surface 30 and' the. sheave 3l are rever-sible, respectively, that 1ste say, they can be changed to theopposite side of the frame Y by inverting'the connecting piece 20. Vith this arrangement a scraper may be operated i Y from right to left or from left to right about the frame and at any desiredv angle thereto.

" Referring now. to the improved form of scraper, details thereof are shown in Figures 6 to '17 inclusive, which illustrate'a preferred' form which I find to be particularly A adapted for use with 'an apparatus such as hereinbeforeA described.v The scraper l is bottomlessand one side 32 thereof is longer Y than the opposite side 34. rThe central and forward wall portionfof the longer side 32, indicatedl at 33, is curved to conform sub-j stantiallyvv with `the curvature of the'shiel'd 13.'.l`he` opposite orouterf side of the scraper: has its central', and forward wall portion 35 laying in an; arc having substantially the same center of curvature as that.' of the opposite wall portion 33; in other words, the curved portions kofthejscraper are substantially concentric with each other, and-'with the bearingshield 18. -With this concentric relation,` it will be, seen that the outer wallaofthe'scraper cuts intothe loose material ina curved direction controlled by the center of curvature of the'shield 18, thus offering-a vminimum amount of resistance '-to the scraper as it collects the material. A

l'rorizont'al lip 36 extends forwardly andinwardlyf from the forward verticalA margin or cutting edge v37' ofthe outer wall 34, and has its upper surface beveled downwardly, form-ing in'elfect a knife edge for digging into the loose, material, thereby,l tending to Y directfthe course of the'sc'raper in' a horizontall plane and control and stabilize the movementl ofthescraper as-it ismoved about 'the shield. A similar projectionl 3,6a is preferabl'y provided' at the forward end 43 of the oppositeA wall 32;V The/rear wall of the scraper comprises aY substantially vertical portion- 39, andan inclined portion 40 eX- tending downwardly to the'bot'tomV 'margin 4l of'tliescraper, as shown inFigure-. The

Y rather Vfaces the' pile ofmaterial-- purpose of this conformation ifstao-allow7 the,V scraper to be lifted over material which may be piled in the Vway of they scraper as it is moved rearwardly4 The side wallsQand 34 are each substantially iiprig-htat theV` for-` ward endiof the scraper, "as shown in the figures, not only to` provide suitable cutting Y.

edges as aforesaid, Vbut to formv awidelyextended base forfthei scraper, thereby resisting any tendency of the latter to tip over This .tendency to tipV over hasbeenffound to jbe particularly objectionable in a fdevi'cefof l y this character, because draft ropesare pref;A4

era-bly attached eccentrically of the 'scrap"er,j.`

as will hereinafter be more fully described.`

The `lower margins of the sideff walls are turned inwardly, 4and merge fintopthe in-*Y Y.

clined portion 40 as shown in Figuren', so thaty the material is readily gatheredjfl-eirr the bottom, and yet may be discharged-V from the open bottom ofthe scraper as the Vllat'- ter isfmoved `over an open loading chute or.`

the like. f Y

t The'draft ropes are vattached tothe' scraper .f Y i' eccentrically' thereof, the forward draft .ro-'pe' 2, vusually call'edthe drag line, 1 being suitscraper by means of aneye 42;;011' its eqn lent, preferably fixed on-the inner face of wall 32,'and Vadjacentthe forward margin 43 thereof. The rear Vdraft rope Q3.' termed Y .ably attached to Yt ie inner wall'i 32l of the the tail-rope, is attached'to rtheiii-rar;of the?Y scraper 'but preferably',eccentric wit y sp'ect Ito -tlie approximatel'fongiti inal" of the scraper, as showniir'flilg y, l.. connecting theV drag line 2f tofthe'` Vinner :32 as indicated it will be observed (in l'),that as fthescraperis moved about-the' shield 1S the dragline contactsrwiththe forward `edge 43 of? thel scraper and there@ by exertsy a maximumleveragey in t the scraper about the shield and*v mani thev scraperin VContact there-with.v other hand when the scraperfis bein forwardly out of Contact YVwith 'the me f' in the position 'shown in'Figure fA6;; itl'will be observed that'lthe` scraper moved substantially in linelwithV its longitudinal l anis,

than at an excessive a'ngleifthereto",fas would ybe the case if Vthe'gdrag' line were'fat'- cated Vto-'move the' scraper toward 'therl-o'adingchute Vor Yp lac'e"where thematerial` isl'to be unloaded. '.The scraper! is pulled'- rearwardly with the'rtail ropeA about theggii'lid ing frame unt'ilthe".openendgof the scraper llhe* rnovenren'tv `of scraper is thenV reversed by"releasing` the Vtail rope 3 and pul'lingthedrag rope 2., The

Vscraper toward the pile. VThe frame 4 may be moved in various positions, and angles with respect to material to be moved by fire ing the guiding means-as desired.

Having described my invention what I claim as new and desire tocover by Letters Patent, is:

1. In a scraping apparatus, the` combination of a frame having a curved bearingy portion, a draft-operated scraper provided with lateral. bearing. means on one side adapted to have lateral engagement with said curved portion, an opposite side having an upright cutting edge, and a horizontally disposed lip or cutting edge projecting forwardly from the bottom end of said upright cutting edge. f

2. In a scraping apparatus the combination of a frame having an -arcuatebearing portion, a draft-operated scraper -provided with one side adapted to have lateral engagement with said arcuate portion, and an opposite side provided with an ,upright cut' ting` edge, both of said sides having arcuate portions substantially concentric, with said arcuate bearing portion of the guiding frame.

3. In a scraping apparatus, the combination of a draft-operated scraper, a frame provided with a curved portion adapted to afford lateral bearing for said scraper, and a horizontally disposed lip projecting laterally from the bottom edge of said curved portion.

d. In a scraping apparatus, the combination of a frame having a curved bearing portion, a -scraper having one side wall thereof curved to conform substantially with said curved bearing portion, and draft means for said scraper attached to the inner side of said curved wall at a point removed from the forward margin thereof.

5. In a scraping apparatus, the combination of a draft-operated scraper, a vframe provided with a curved portion adapted to afford lateral bearing for said scraper, a guiding device forcsaid frame, andmeans for moving said frame with respect to said guiding device comprising a ratchet device, a sprocket associated with said ratchet device, a flexible draft device adapted to be anchored at one end, and having a length of sprocket chain adapted to be removably engaged with said sprocket. Y l 6. In a .scraping,apparatus, in combination with a frame adapted to be fixed against lateral movement, a reciprocating scraper adapted to have lateral engagement with .said frame as it moves about the latter, and

having substantially upright side walls, and a rear wall having a lower portion inclined forwardly, as and for the purpose described.

7. In a scrapingapparatus, in combination with a frame adapted to be fixed against lateral movement, a reciprocating bottomless scraper adapted to have lateral engagement with said frame as it moves about the latter, and having substantially upright side walls1 and a rear wall having a lower portion inclined forwardly, and terminating in theA lower `margin of said bottomless scraper.

Signed at Chicago, in the county of Cook and Sta-te of Illinois, this eleventh day of April, A. D. 1921.

CHARLES E. DAVIS. 

